[sheepdog] Redundancy policy via iSCSI

[hujianyang]

On 2015/2/8 19:24, Vasiliy Tolstov wrote:
> 
> 2015-02-07 5:03 GMT+03:00 hujianyang <hujianyang at huawei.com <mailto:hujianyang at huawei.com>>:
> 
>     KB/s                    read    randread        write   randwrite
>     local                   179957  36262           179933  66752
>     iSCSI   redundancy(3x)  51553   51303           17826   15984
>             redundancy(4:2) 43166   42775           20370   14234
>     SBD     redundancy(3x)  51112   51106           17515   20311
> 
> 
> Local means not sheepdog read/write or local via sheepdog local daemon running?
> 

Yes, it is.

Just directly run fio on /dev/sd*. I think maybe the strange performance
is because the RAID? Not quite sure. But it's not related to sheepdog.

Thanks,
Hu

> 
> -- 
> Vasiliy Tolstov,
> e-mail: v.tolstov at selfip.ru <mailto:v.tolstov at selfip.ru>
> jabber: vase at selfip.ru <mailto:vase at selfip.ru>